/*
 * Copyright 2002-2006 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tigris.jasmincc.implementation;

import org.tigris.jasmincc.framework.JavaCCModel;

/**
 * Parses import statements.
 * 
 * @author Sam Huang
 * 
 */
public class ImportDeclarationProduction extends IncludeProductionTemplate {

	protected JavaCCModel javaccModel = null;

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.tigris.jasmincc.Production#parse()
	 */
	@Override
	protected void specificOperation(String tk) throws Exception {
		StringBuffer buffer = new StringBuffer(tk);
		String lastToken = lexer.nexttok();
		if (lastToken.equals("*")) {
			buffer.append(lastToken);
		} else {
			lexer.backward(lastToken);
		}
		javaccModel.addJavaImport(buffer.toString());
	}

	/**
	 * @param javaccModel
	 *            the javaccModel to set
	 */
	public void setJavaccModel(JavaCCModel javaccModel) {
		this.javaccModel = javaccModel;
	}

	@Override
	protected void setupKeyword() throws Exception {
		lexer.nexttok(JAVA_IMPORT);
	}

}
